upload_to_webdav.sh

SOURCE_DIR="/absolute/source/dir"
# it is a nextcloud server in the example; in your case see the docs of your webdav server
DESTINATION="https://cloud.2hv.de/remote.php/webdav/target_folder/"
USER='user_name'
PASS='user_password'

cd "${SOURCE_DIR}" || exit

while IFS= read -r -d '' file
do
  if [ -d "${file}" ] && [[ $file != '.' ]]; then
    echo "create folder: ${file}"
    curl -X MKCOL "${DESTINATION}${file}" --user "${USER}:${PASS}"
  elif [ -f "${file}" ]; then
    echo "upload file: ${file}"
    curl -T "${file}" "${DESTINATION}${file}" --user "${USER}:${PASS}"
  fi
done <  <(find . -print0)

# echo "clean the source folder.."
# rm "${SOURCE_DIR:?}"* -vrf